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I believe this is thesecond of the series, original print, of the Up-Fixin der Porsche Manuals, a collection of technical articles taken from Panorama, 1961-1966,the official magazine of the Porsche Club of America, andmailed out, along with the magazine subscription.
Condition is very good for its' age, showing stains, but no writing inside or on cover.
Doesn't show a print date but I believe it was 1966.
Covers early 356 series and introduction of 911 and 912. Rare.